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/* * Copyright (c) 2019 Foundries.io * Copyright (c) 2019 Peter Bigot Consulting, LLC * * SPDX-License-Identifier: Apache-2.0 */ #include <init.h> #include <drivers/gpio.h> #include "board.h" static inline void external_antenna(bool on) { struct device *ant_ufl_gpio_dev; /* * On power-up the SKY13351 is left uncontrolled, so neither * PCB nor external antenna is selected. Select the PCB * antenna. */ ant_ufl_gpio_dev = device_get_binding(ANT_UFL_GPIO_NAME); if (!ant_ufl_gpio_dev) { return; } gpio_pin_configure(ant_ufl_gpio_dev, ANT_UFL_GPIO_PIN, GPIO_DIR_OUT | ANT_UFL_GPIO_FLAGS); if (on) { gpio_pin_write(ant_ufl_gpio_dev, ANT_UFL_GPIO_PIN, 0); } else { gpio_pin_write(ant_ufl_gpio_dev, ANT_UFL_GPIO_PIN, 1); } } static int board_particle_boron_init(struct device *dev) { ARG_UNUSED(dev); external_antenna(false); #if defined(CONFIG_MODEM_UBLOX_SARA) struct device *gpio_dev; /* Enable the serial buffer for SARA-R4 modem */ gpio_dev = device_get_binding(SERIAL_BUFFER_ENABLE_GPIO_NAME); if (!gpio_dev) { return -ENODEV; } gpio_pin_configure(gpio_dev, V_INT_DETECT_GPIO_PIN, GPIO_DIR_IN); gpio_pin_configure(gpio_dev, SERIAL_BUFFER_ENABLE_GPIO_PIN, GPIO_DIR_OUT); gpio_pin_write(gpio_dev, SERIAL_BUFFER_ENABLE_GPIO_PIN, 0); #endif return 0; } /* needs to be done after GPIO driver init */ SYS_INIT(board_particle_boron_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT); |